A387357 - cp's OEIS frontend

A387357 a(n) is the first number with a total of exactly n 1's in the decimal digits of its divisors.

n	a(n)
1	1
2	10
3	11
4	60
5	112
6	110
7	210
8	330
9	420
10	630
11	840
12	1008
13	1890
14	1260
15	1680
16	2520
17	2310
18	3360
19	5460
20	6720
21	4620
22	5040
23	7140
24	7560
25	11880
26	9240
27	14040
28	10080
29	17160
30	13860
31	17136
32	16380
33	15120
34	18480
35	27720
36	33264
37	21420
38	39270
39	30240
40	36960
41	41580
42	45360
43	42840
44	57120
45	60060
46	71820
47	75600
48	55440

[1, 10, 11, 60, 112, 110, 210, 330, 420, 630, 840, 1008, 1890, 1260, 1680, 2520, 2310, 3360, 5460, 6720, 4620, 5040, 7140, 7560, 11880, 9240, 14040, 10080, 17160, 13860, 17136, 16380, 15120, 18480, 27720, 33264, 21420, 39270, 30240, 36960, 41580, 45360, 42840, 57120, 60060, 71820, 75600, 55440]

cp's OEIS Frontend

A387357 a(n) is the first number with a total of exactly n 1's in the decimal digits of its divisors.

Table of values

List of values